Angled Laser Welding Nozzle for Stable Deep-Penetration Welds
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Solution Overview
Problem
Conventional laser welding tools are limited in the range of welding angles, which can impact the quality of welds, especially for new users unfamiliar with laser welding systems.
Innovation Solution
The use of an angled nozzle in laser welding systems allows for a range of welding angles by enabling the laser welding torch to be angled at desired acute angles, providing greater flexibility and stability during the welding process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional nozzles are used in laser welding tools, then the structure is simple and easy to manufacture, but the welding angle range is limited and welding quality is reduced
Solution Approach 1:
The nozzle is designed with an asymmetric geometry where the contact edge is positioned at an angle relative to the central axis of the nozzle body. This asymmetric configuration allows the nozzle to achieve a range of welding angles (e.g., 15-45 degrees) while maintaining structural simplicity, directly resolving the contradiction between adaptability and device complexity.
2Manufacturing precision
If the laser welding torch is angled to achieve deeper penetration, then welding quality improves, but the stability and control of the welding process deteriorate
Solution Approach 1:
The nozzle is pre-configured with a contact edge positioned at an optimal angle and distance from the tip. This preliminary geometric arrangement ensures that when the nozzle contacts the workpiece, the laser beam is automatically oriented at the correct angle for deep penetration, eliminating the need for operator adjustment and maintaining process stability.
Solution Approach 2:
The angled contact edge of the nozzle acts as an intermediary element that translates the axial direction of the laser beam into an angled incidence on the workpiece. This mediator structure enables deep penetration welding while keeping the torch body stable and easy to control, resolving the contradiction between penetration depth and process stability.
3Ease of operation
If new users operate conventional laser welding tools, then the system is simple to understand, but the difficulty of achieving quality welds increases due to unfamiliarity with laser welding peculiarities
Solution Approach 1:
The angled nozzle design is self-aligning and self-regulating. When the nozzle contacts the workpiece surface, the geometry automatically positions the laser beam at the correct angle and distance, eliminating the need for users to understand or adjust complex parameters. This makes quality welding achievable for new users without increasing operational difficulty.
Data Source
AI summary
An angled nozzle for a handheld laser welding torch is disclosed. The nozzle includes a contact edge at a first tip of the nozzle and extending from the nozzle a first distance; and a contact surface along a portion of a length of the nozzle, the contact surface extending from the nozzle a second distance less than the first distance.